/*
 * Copyright (c) 1997, 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 *
 */

package com.sun.java.swing.plaf.motif;

import sun.awt.AppContext;

import java.awt.*;
import java.awt.event.*;

import javax.swing.*;
import javax.swing.border.*;
import javax.swing.plaf.*;
import javax.swing.plaf.basic.*;


/**
 * BasicToggleButton implementation
 * <p>
 * <strong>Warning:</strong>
 * Serialized objects of this class will not be compatible with
 * future Swing releases.  The current serialization support is appropriate
 * for short term storage or RMI between applications running the same
 * version of Swing.  A future release of Swing will provide support for
 * long term persistence.
 *
 * @author Rich Schiavi
 */
public class MotifToggleButtonUI extends BasicToggleButtonUI {

  private static final Object MOTIF_TOGGLE_BUTTON_UI_KEY = new Object();

  protected Color selectColor;

  private boolean defaults_initialized = false;

  // ********************************
  //         Create PLAF
  // ********************************
  public static ComponentUI createUI(JComponent b) {
    AppContext appContext = AppContext.getAppContext();
    MotifToggleButtonUI motifToggleButtonUI =
        (MotifToggleButtonUI) appContext.get(MOTIF_TOGGLE_BUTTON_UI_KEY);
    if (motifToggleButtonUI == null) {
      motifToggleButtonUI = new MotifToggleButtonUI();
      appContext.put(MOTIF_TOGGLE_BUTTON_UI_KEY, motifToggleButtonUI);
    }
    return motifToggleButtonUI;
  }

  // ********************************
  //          Install Defaults
  // ********************************
  public void installDefaults(AbstractButton b) {
    super.installDefaults(b);
    if (!defaults_initialized) {
      selectColor = UIManager.getColor(getPropertyPrefix() + "select");
      defaults_initialized = true;
    }
    LookAndFeel.installProperty(b, "opaque", Boolean.FALSE);
  }

  protected void uninstallDefaults(AbstractButton b) {
    super.uninstallDefaults(b);
    defaults_initialized = false;
  }

  // ********************************
  //          Default Accessors
  // ********************************

  protected Color getSelectColor() {
    return selectColor;
  }

  // ********************************
  //         Paint Methods
  // ********************************
  protected void paintButtonPressed(Graphics g, AbstractButton b) {
    if (b.isContentAreaFilled()) {
      Color oldColor = g.getColor();
      Dimension size = b.getSize();
      Insets insets = b.getInsets();
      Insets margin = b.getMargin();

      if (b.getBackground() instanceof UIResource) {
        g.setColor(getSelectColor());
      }
      g.fillRect(insets.left - margin.left,
          insets.top - margin.top,
          size.width - (insets.left - margin.left) - (insets.right - margin.right),
          size.height - (insets.top - margin.top) - (insets.bottom - margin.bottom));
      g.setColor(oldColor);
    }
  }

  public Insets getInsets(JComponent c) {
    Border border = c.getBorder();
    Insets i = border != null ? border.getBorderInsets(c) : new Insets(0, 0, 0, 0);
    return i;
  }

}
